diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-09-20 14:46:32 +0000 |
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| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-09-20 14:46:32 +0000 |
| commit | 0ef2a6d1b61cf67c78d979612093a4bfbf2377df (patch) | |
| tree | 7c40cb4ca14799b642d2ac2fee157af59835524f /gcc/tree-data-ref.c | |
| parent | 6f65c69728d882e4eff8890aa8ea3d43c40d873b (diff) | |
| download | gcc-0ef2a6d1b61cf67c78d979612093a4bfbf2377df.tar.gz | |
2012-09-20 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54634
* tree-data-ref.c (get_references_in_stmt): For now give
up for pure functions.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@191567 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 4f6df91ec28..0d647d7c5ea 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -4307,10 +4307,10 @@ get_references_in_stmt (gimple stmt, VEC (data_ref_loc, heap) **references) *references = NULL; /* ASM_EXPR and CALL_EXPR may embed arbitrary side effects. - Calls have side-effects, except those to const or pure - functions. */ + As we cannot model data-references to not spelled out + accesses give up if they may occur. */ if ((stmt_code == GIMPLE_CALL - && !(gimple_call_flags (stmt) & (ECF_CONST | ECF_PURE))) + && !(gimple_call_flags (stmt) & ECF_CONST)) || (stmt_code == GIMPLE_ASM && (gimple_asm_volatile_p (stmt) || gimple_vuse (stmt)))) clobbers_memory = true; |